Aqueous hair setting composition containing silicone grafted copolymer

Abstract

An aqueous hair setting composition, comprising: (a) from about 0.1% to about 15%, by weight, of a cationic, water soluble polymeric hair setting agent, said hair setting agent being a silicone macromer-grafted copolymer derived by polymerization of: (i) from about 1% to about 20%, by weight, silicone macromers; (ii) from about 5% to about 75%, by weight, nonionic, quaternizable monomers; and (iii) from about 5% to about 90%, by weight, nonionic, water soluble, non-quaternizable monomers; wherein at least about 5 wt/%, of the monomers, calculated by total weight of the copolymer, are quaternized and said copolymer has a backbone having a Tg of from about 30 DEG C. to about 140 DEG C.; and (b) from about 75% to about 99.9%, by weight, water.

What is claimed is: 
     
       1. An aqueous hair setting composition, comprising: (a) from about 0.1% to about 15%, by weight, of a cationic, water soluble polymeric hair setting agent, said hair setting agent being a silicone macromer-grafted copolymer consisting essentially of: (i) from about 1% to about 20%, by weight, silicone macromers;   (ii) from about 5% to about 75%, by weight, nonionic, quaternizable monomers; and   (iii) from about 5% to about 90%, by weight, nonionic, water soluble, non-quaternizable monomers;   wherein said copolymer has a degree of quaternization of at least about 5 wt. %, of the monomers, calculated by total weight of the copolymer, are quaternized and said copolymer has a backbone having a Tg of from about 30° C. to about 140° C.; and     (b) from about 75% to about 99.9%, by weight, water.   
     
     
       2. An aqueous hair setting composition as in claim 1, wherein said composition is essentially free of volatile organic solvents. 
     
     
       3. An aqueous hair setting composition as in claim 2, wherein said polymer has a number average molecular weight of from about 10,000 to about 1,000,000. 
     
     
       4. An aqueous hair setting composition as in claim 3, wherein said monomers of element (a) (ii) are amino-functional ethylenically unsaturated monomers selected from the group consisting of amino-functional acrylamide, amino-functional methacrylamide, amino-functional C 1  -C 4  alkyl acrylates, amino-functional C 1  -C 4  alkyl methacrylates, amino-functional styrene, and combinations thereof. 
     
     
       5. An aqueous hair setting composition as in claim 3, wherein said monomers of element (a) (iii) are selected from the group consisting of acrylamide, methacrylamide, mono- and di-C 1  -C 6  alkyl acrylamides, mono- and di-C 1  -C 6  alkyl methacrylamides, cinamides, and combinations thereof. 
     
     
       6. An aqueous hair setting composition as in claim 4, wherein said monomers of element (a) (iii) are selected from the group consisting of acrylamide, methacrylamide, mono- and di-C 1  -C 6  alkyl acrylamides, mono- and di-C 1  -C 6  alkyl methacrylamides, cinamides, and combinations thereof. 
     
     
       7. An aqueous hair setting composition as in claim 5, wherein said monomers of element (a) (iii) are selected from the group consisting of C 1  -C 3  mono- and di-alkyl acrylamides, acrylamide, methacrylamide, C 1  -C 3  mono- and di-methacrylamides, and combinations thereof. 
     
     
       8. An aqueous hair setting composition as in claim 1, further comprising from about 0.05% to about 3%, by weight, of a foaming agent. 
     
     
       9. An aqueous hair setting composition as in claim 8, dispensed in an aerosol container, whereby said composition foams upon being dispensed. 
     
     
       10. An aqueous hair setting composition as in claim 1, comprising from about 2% to about 15% of said silicone macromer-containing monomer, from about 5 to about 60% of said quaternizable monomer, and from about 25% to about 70% of said nonquaternizable, nonionic monomer. 
     
     
       11. An aqueous hair setting composition as in claim 12, comprising from about 5% to about 10% of said silicone macromer-containing monomer, from about 5 to about 40% of said quaternizable monomer, and from about 30% to about 60% of said nonquaternizable, nonionic monomer. 
     
     
       12. An aqueous hair setting composition as in claim 1, wherein said copolymer is soluble in 10% dionized water at 25° C.